diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/TunnelCodec.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/TunnelCodec.java
index 2f85afd..c9e4a32 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/TunnelCodec.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/TunnelCodec.java
@@ -26,6 +26,9 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * Codec of Tunnel class.
+ */
 public final class TunnelCodec extends JsonCodec<Tunnel> {
 
     // JSON field names